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Potassium nitrate

Catalog No. 60414 Name Sigma Aldrich
CAS Number 7757-79-1 Website http://www.sigmaaldrich.com
M. F. KNO3 Telephone 1-800-521-8956
M. W. 101.1032 Fax
Purity ≥99.5% (T) Email
Storage Chembase ID: 105584

SYNONYMS

Title
硝酸钾
IUPAC name
potassium nitrate
IUPAC Traditional name
potassium nitrate

DATABASE IDS

EC Number 231-818-8
PubChem SID 24881875
CAS Number 7757-79-1
MDL Number MFCD00011409

PROPERTIES

abs. absorption1M/328 nm, H2O cut-off
Antion Traces chloride (Cl-): ≤10 mg/kg
Antion Traces iodate (IO3-): ≤5 mg/kg
Antion Traces nitrite (NO2-): ≤10 mg/kg
Antion Traces phosphate (PO43-): ≤5 mg/kg
Antion Traces sulfate (SO42-): ≤20 mg/kg
Cation Traces Al: ≤5 mg/kg
Cation Traces As: ≤0.1 mg/kg
Cation Traces Ba: ≤5 mg/kg
Cation Traces Bi: ≤5 mg/kg
Cation Traces Ca: ≤50 mg/kg
Cation Traces Cd: ≤5 mg/kg
Cation Traces Co: ≤5 mg/kg
Cation Traces Cr: ≤5 mg/kg
Cation Traces Cu: ≤5 mg/kg
Cation Traces Fe: ≤2 mg/kg
Cation Traces Li: ≤5 mg/kg
Cation Traces Mg: ≤50 mg/kg
Cation Traces Mn: ≤5 mg/kg
Cation Traces Mo: ≤5 mg/kg
Cation Traces NH4+: ≤10 mg/kg
Cation Traces Na: ≤50 mg/kg
Cation Traces Ni: ≤5 mg/kg
Cation Traces Pb: ≤5 mg/kg
Cation Traces Sr: ≤5 mg/kg
Cation Traces Zn: ≤5 mg/kg
Empirical Formula (Hill Notation) KNO3
Impurities insoluble matter, passes filter test
Loss on Drying ≤0.1% loss on drying, 110 °C
Product Line BioUltra
Purity ≥99.5% (T)
Melting Point 334 °C(lit.)
pH 5.0-8.0 (25 °C, 1 M in H2O)
Solubility H2O: soluble1 M at 20 °C, clear, colorless
GHS Pictograms GHS03
GHS Signal Word Warning
GHS Hazard statements H272
European Hazard Symbols Oxidising Oxidising (O)
MSDS Link Download
Personal Protective Equipment Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
GHS Precautionary statements P220
RID/ADR UN 1486 5.1/PG 3
Risk Statements 8
RTECS TT3700000
Hazard Class 5.1
UN Number 1486
Packing Group 3
German water hazard class 1

DETAILS

Description (English)
Other Notes
Substrate for the assay of nitrate reductase1; Component of media for testing bacterial nitrate reduction.
Description (简体中文)
Other Notes
Substrate for the assay of nitrate reductase1; Component of media for testing bacterial nitrate reduction.

REFERENCES